S
M
T
W
T
F
S
26
66°
59°
27
66°
57°
28
73°
65°
29
72°
62°
30
66°
57°
31
66°
51°
1
66°
54°
2
70°
52°
3
84°
60°
4
75°
60°
5
66°
57°
6
65°
52°
7
68°
53°
8
69°
58°
9
67°
56°
10
66°
55°
11
73°
57°
12
74°
60°
13
73°
57°
14
71°
56°
15
71°
57°
16
72°
58°
17
66°
57°
18
66°
52°
19
64°
52°
20
64°
52°
21
65°
51°
22
64°
51°
23
64°
52°
24
68°
57°
25
69°
56°
26
65°
55°
27
65°
53°
28
67°
54°
29
68°
55°
30
69°
56°
31
69°
56°
1
65°
54°
2
63°
52°
3
63°
51°
4
64°
51°
5
63°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Preston
Preston's August 2026 forecast shows daily high temperatures ranging from 63° to 75°, with overnight lows between 51° and 60°. The average high for August is 67° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Preston. See also: September | October | November.
